That post is so stupid as to defy belief. Don't you do even the slightest investigation before you make potentially embarrassing comments? Ashcroft was Missouri AG, Governor, and Senator before becoming AG in 2001, after he lost a controversial election to "Dead Man" Carnahan. Clarence Thomas was confirmed to the SCOTUS back in the first Bush administration (1989-1992). Dumb, dumb, dumb.
Ashcroft and Thomas both worked in the Missouri Attorney General's office in the mid-1970's. The Missouri AG at the time was John Danforth.
I did get the location and perhaps the relative status of the two individuals wrong. The events I mentioned are detailed in the book Strange Justice: The Selling of Clarence Thomas. You may find fault with this book, but the story is not implausible.